Answer: C. It accounts for the English navy's failure to protect Norway and reassures the nation that it can defend England.
Explanation: In the given excerpt from the Winston Churchill's speech "Their Finest Hour" he starts by explaining why the English Navy failed in preventing the German army to enter Norway across the Skagerrak, he explains that it was because the lack of air support to the surface ships, after all the explanation he says that despite that situation, the English Navy is now ready to operate with great efficiency.
